Start / | IWC the Ingenieur 866 A Story During 1967 IWC launched the Ingenieur models, reference 866 A (no date) later reference 1908 and reference 866 AD (with date) later reference 1808, which were the successors of the first Ingenieur models references 666 A and 666 AD. Powered by the latest generation of self winding movements, manufactured inhouse by IWC, reference 866A was fitted with cal.854, later with cal.854B and reference 866 AD was fitted with cal.8541, later with…